code: def sinc(
      x: Union[(None, mx.ndarray.NDArray)],
      /,
      *,
      out: Optional[Union[(None, mx.ndarray.NDArray)]] = None,
  ) -> Union[(None, mx.ndarray.NDArray)]:
      raise IvyNotImplementedException()
  
imports: from typing import Union, Optional, Tuple, List, Sequence
  from numbers import Number
  import mxnet
  from ivy.utils.exceptions import IvyNotImplementedException
  from ivy.func_wrapper import with_supported_dtypes
  from ..None import backend_version
label_desc: Use image node_id 4 for calling a global function with example usage: sinc() without return types